19771928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2707}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 40944960

約数和(自身を除く): 21173032

約数列:

[1, 2, 4, 8, 11, 22, 44, 83, 88, 166, 332, 664, 913, 1826, 2707, 3652, 5414, 7304, 10828, 21656, 29777, 59554, 119108, 224681, 238216, 449362, 898724, 1797448, 2471491, 4942982, 9885964, 19771928]

約数ペア:

[(1, 19771928), (2, 9885964), (4, 4942982), (8, 2471491), (11, 1797448), (22, 898724), (44, 449362), (83, 238216), (88, 224681), (166, 119108), (332, 59554), (664, 29777), (913, 21656), (1826, 10828), (2707, 7304), (3652, 5414)]